Home / 103,836,586.08-155,632,562.64-42,387,368.16

Finding the Fourth Proportional to 103,836,586.08, 155,632,562.64 and 42,387,368.16

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Solution

The fourth proportional to 103,836,586.08, 155,632,562.64 and 42,387,368.16 is: 63,531,121.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,836,586.08 : 155,632,562.64 = 42,387,368.16 : x
  2. Step 2: Convert to fraction form
    103,836,586.08/155,632,562.64 = 42,387,368.16/x
  3. Step 3: Cross multiply
    103,836,586.08x = 155,632,562.64 × 42,387,368.16
  4. Step 4: Simplify right side
    103,836,586.08x = 6,596,854,730,305,940
  5. Step 5: Solve for x
    x = 6,596,854,730,305,940/103,836,586.08
  6. Step 6: Final answer
    x = 63,531,121.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.